# List of King of Mask Singer episodes (2015)

This is a list of episodes of the South Korean variety-music show King of Mask Singer in 2015. The show airs on MBC as part of their Sunday Night lineup. The names listed below are in performance order. A new rule was introduced in Episode 5, with the eliminated singer being allowed to sing the next song they prepared, and taking off their mask during the instrumental break of their song.
    – Contestant is instantly eliminated by the live audience and judging panel
    – After being eliminated, contestant performs a prepared song for the next round and takes off their mask during the instrumental break
    – After being eliminated and revealing their identity, contestant has another special performance
    – Contestant advances to the next round
    – Contestant becomes the challenger
    – Mask King

## Episodes
### Pilot

* Contestants : Jo Kwon (2AM), Kim Ye-won, Lee Deok-jin [ko], K.Will, Shin Bo-ra, Solji (EXID), Won Ki-joon, Hong Jin-young
The pilot was broadcast on 18 February 2015.

   #### Round 1

| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Blue Bird that looks like an oriole | Jo Kwon of 2AM | Man and Woman (남과 여) | Park Seon-joo [ko] & Kim Bum-soo | 48 |
| Pair 1 | Orange That wears feathers | Kim Ye-won | Man and Woman (남과 여) | Park Seon-joo [ko] & Kim Bum-soo | 51 |
| Pair 2 | Charismatic Confidante of the Starry Sky | Lee Deok-jin | Until the Morning Has Dawned (아침이 밝아올 때까지) | Deulgukhwa [ko] | 41 |
| Pair 2 | Opera Star | K.Will | Until the Morning Has Dawned (아침이 밝아올 때까지) | Deulgukhwa [ko] | 58 |
| Pair 3 | Self Luminous 14K | Shin Bora | Don't Touch Me (손대지마) | Ailee | 44 |
| Pair 3 | Self-Luminous Mosaic | Solji of EXID | Don't Touch Me (손대지마) | Ailee | 55 |
| Pair 4 | Peacock Madam | Won Ki-joon | I Have a Lover (애인 있어요) | Lee Eun-mi | N/A |
| Pair 4 | Cute Heart Bbyong Bbyong | Hong Jin-young | I Have a Lover (애인 있어요) | Lee Eun-mi | N/A |
| Round 2 ||||||
| Pair 1 | Orange that wears feathers | Kim Ye-won | The Lost Umbrella (잃어버린 우산) | Woo Soon-sil [ko] | 51 |
| Pair 1 | Opera Star | K.Will | I Want to Cry (울고 싶어라) | Lee Nam-yi [ko] | 48 |
| Pair 2 | Self-Luminous Mosaic | Solji of EXID | The Reason I Became a Singer (가수가 된 이유) | Shin Yong-jae [ko] | 53 |
| Pair 2 | Cute Heart bbyong bbyong | Hong Jin-young | I Tried Everything (별 짓 다해봤는데) | Ali | 46 |
| Final ||||||
| Battle | Orange that wears feathers | Kim Ye-won | Fate (인연) | Lee Sun-hee | 46 |
| Battle | Self-Luminous Mosaic | Solji of EXID | We Should've Been Friends (친구라도 될 걸 그랬어) | Gummy | 53 |

### 1st Generation Mask King

* Contestants : Kang Kyun-sung (Noel), Ivy, Kim Ji-woo, Luna (f(x)), Sandeul (B1A4), Jung Cheol-gyu [ko], Park Gwang-hyun, Kwon In-ha [ko]

#### Episode 1

Episode 1 was broadcast on April 5, 2015. This marks the beginning of the First Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Opening | Self-Luminous Mosaic | Solji of EXID | Maria (Korean version) | Kim Ah-joong | – |
| Round 1 ||||||
| Pair 1 | House Out Lion | Kang Kyun-sung of Noel | Farewell Under the Sun (대낮에 한 이별) | Park Jin-young & Sunye | 39 |
| Pair 1 | Sharp White Cat | Ivy | Farewell Under the Sun (대낮에 한 이별) | Park Jin-young & Sunye | 60 |
| Pair 2 | Blue Butterfly | Kim Ji-woo | A Flying Butterfly (나는 나비) | YB | 45 |
| Pair 2 | Used Two Buckets of Gold Lacquer | Luna of f(x) | A Flying Butterfly (나는 나비) | YB | 54 |
| Pair 3 | Electric Shock Caution Action Robot | Jung Cheol-gyu | Still Eating Well (밥만 잘 먹더라) | Homme | 21 |
| Pair 3 | Flowering Silky Fowl | Sandeul of B1A4 | Still Eating Well (밥만 잘 먹더라) | Homme | 78 |
| Pair 4 | Find the Missing Half | Park Gwang-hyun | Scar Deeper Than Love (사랑보다 깊은 상처) | Lena Park & Yim Jae-beom | 38 |
| Pair 4 | Fly Taekwon Boy | Kwon In-ha | Scar Deeper Than Love (사랑보다 깊은 상처) | Lena Park & Yim Jae-beom | 61 |

#### Episode 2

Episode 2 was broadcast on April 12, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Sharp White Cat | Ivy | My One Day (나의 하루) | Lena Park | 40 |
| Pair 1 | Flowering Silky Fowl | Sandeul of B1A4 | Emergency Room (응급실) | izi [ko] | 59 |
| Pair 2 | Fly Taekwon Boy | Kwon In-ha | If (만약에) | Taeyeon | 42 |
| Pair 2 | Used Two Buckets of Gold Lacquer | Luna of f(x) | Mom (엄마) | Ra.D | 57 |
| Final ||||||
| Battle | Flowering Silky Fowl | Sandeul of B1A4 | Brand (낙인) | Yim Jae-beom | 47 |
| Battle | Used Two Buckets of Gold Lacquer | Luna of f(x) | I Will Write a Letter to You (편지할게요) | Lena Park | 52 |

### 2nd Generation Mask King

* Contestants : Navi [ko], Kim Jong-seo, Shin Soo-ji, Hyun Woo, Lee Chang-min (2AM/Homme), Lee Hong-gi (F.T. Island), Jang Hye-jin, G.NA

#### Episode 3

Episode 3 was broadcast on April 19, 2015. This marks the beginning of the Second Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Exactly Cut in Half | Navi | Something | Girl's Day | 58 |
| Pair 1 | Constantly Careful of the Volcano | Kim Jong-seo | If I Leave (나 가거든) | Sumi Jo | 41 |
| Pair 2 | Crooked Mouth Cherry | Shin Soo-ji | Binari (비나리) | Sim Soo-bong | 44 |
| Pair 2 | Through the Hidden Web | Hyun Woo | Should I Say I Love You Again? (다시 사랑한다 말할까) | Kim Dong-ryul | 55 |
| Pair 3 | That Pine on Namsan | Lee Changmin of 2AM/Homme | Place Where You Need to Be (니가 있어야 할 곳) | g.o.d | 51 |
| Pair 3 | Blow Hot and Cold Bat Human | Lee Hong-gi of F.T. Island | Addicted Love (중독된 사랑) | Jo Jang-hyuk [ko] | 48 |
| Pair 4 | Elegant Plaster Madam | Jang Hye-jin | Day with Good Feeling (예감 좋은 날) | Rumble Fish | 52 |
| Pair 4 | Fox in Wonderland | G.NA | Just Like Yesterday (어제처럼) | J.ae | 47 |

#### Episode 4

Episode 4 was broadcast on April 26, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | That Pine on Namsan | Lee Changmin | Can't I? (안 되나요) | Wheesung | 34 |
| Pair 1 | Elegant Plaster Madam | Jang Hye-jin | From January to June (1월부터 6월까지) | 015B & Yoon Jong-shin | 65 |
| Pair 2 | Through the Hidden Web | Hyun Woo | Running in the Sky (하늘을 달리다) | Lee Juck | 31 |
| Pair 2 | Exactly Cut in Half | Navi | As Time Goes By (시간이 흐른 뒤) | Yoon Mi-rae | 68 |
| Round 3 ||||||
| Finalists | Elegant Plaster Madam | Jang Hye-jin | Fate (인연) | Lee Seung-chul | 44 |
| Finalists | Exactly Cut in Half | Navi | Adult Child (어른아이) | Gummy | 55 |
| Final ||||||
| Battle | Exactly Cut in Half | Navi | Previous three songs used as voting standard | Previous three songs used as voting standard | N/A |
| Battle | Used Two Buckets of Gold Lacquer | Luna of f(x) | Don't Think You're Alone (혼자라고 생각말기) | Kim Bo-kyung [ko] | N/A |

### 3rd Generation Mask King

* Contestants : Kahi, Yook Sung-jae (BtoB), Lee Jong-won [ko] (Can), Park Joon-myeon [ko], Jinju, Eric Nam, Park Hak-gi [ko], Song Ji-eun (Secret)

#### Episode 5

Episode 5 was broadcast on May 3, 2015. This marks the beginning of the Third Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Mascara Smudged Pussycat | Kahi | That Man, That Woman (그 남자 그 여자) | Vibe & Jang Hye-jin | 40 |
| Pair 1 | Tired Bumblebee | Yook Sungjae of BtoB | That Man, That Woman (그 남자 그 여자) | Vibe & Jang Hye-jin | 59 |
| 2nd Song | Mascara Smudged Pussycat | Kahi | To You Again (너에게로 또 다시) | Byun Jin-sub | – |
| Pair 2 | Help! Silverman | Lee Jong-won of Can | That Was What Happened Then (그땐 그랬지) | Carnival [ko] | 54 |
| Pair 2 | Our House Dog Happy | Park Joon-myeon | That Was What Happened Then (그땐 그랬지) | Carnival [ko] | 45 |
| 2nd Song | Our House Dog Happy | Park Joon-myeon | Forever Friends (영원한 친구) | Na-mi | – |
| Pair 3 | Jingle Jingle Lark | Jinju | All for You | Cool | 51 |
| Pair 3 | Hello Mr. Monkey | Eric Nam | All for You | Cool | 48 |
| 2nd Song | Hello Mr. Monkey | Eric Nam | Standing in the Shades of Tree (가로수 그늘 아래 서면) | Lee Moon-sae | – |
| Pair 4 | Dream of Deviant Cabbage Ascetic | Park Hak-gi | Farewell Story (이별 이야기) | Lee Moon-sae & Go Eun-hee [ko] | 42 |
| Pair 4 | I'm Happy Because of Rabbits | Song Jieun of Secret | Farewell Story (이별 이야기) | Lee Moon-sae & Go Eun-hee [ko] | 57 |
| 2nd Song | Dream of Deviant Cabbage Ascetic | Park Hak-gi | A Thorn Tree (가시나무) | Jo Sung-mo | – |

#### Episode 6

Episode 6 was broadcast on May 10, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Tired Bumblebee | Yook Sungjae of BtoB | One Day Long Ago (오래전 그 날) | Yoon Jong-shin | 64 |
| Pair 1 | Help! Silverman | Lee Jong-won of CAN | Footsteps (발걸음) | Emerald Castle [ko] | 35 |
| Pair 2 | Jingle Jingle Lark | Jinju | Wind is Blowing (바람이 분다) | Lee So-ra | 51 |
| Pair 2 | I'm Happy Because of Rabbits | Song Jieun of Secret | Love is Rainwater Outside the Window (사랑은 창밖에 빗물 같아요) | Yang Soo-kyung [ko] | 48 |
| Round 3 ||||||
| Finalists | Tired Bumblebee | Yook Sungjae of BtoB | Thanks (감사) | Kim Dong-ryul | 31 |
| Finalists | Jingle Jingle Lark | Jinju | I Will Show You (보여줄게) | Ailee | 68 |
| Final ||||||
| Battle | Used Two Buckets of Gold Lacquer | Luna of f(x) | Sad Fate (슬픈 인연) | Lee Eun-mi | 43 |
| Battle | Jingle Jingle Lark | Jinju | Previous three songs used as voting standard | Previous three songs used as voting standard | 56 |
Luna released a digital special single "Don't Cry For Me" (미소를 띄우며 나를 보낸 그 모습처럼) for the show after her elimination. The song is a remake of Lee Eun-ha [ko]'s 1986 version.

### 4th Generation Mask King

* Contestants : Ailee, Yook Jung-wan [ko] (Rose Motel [ko]), Hong Seok-cheon, Taeil (Block B), Kim Yeon-woo, Bae Da-hae [ko], Lee Geon-myung [ko], Sojin (Girl's Day)

#### Episode 7

Episode 7 was broadcast on May 17, 2015. This marks the beginning of the Fourth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | High Frequency Pair Feelers | Ailee | The Blue in You (그대 안의 블루) | Kim Hyun-chul [ko] & Lee So-ra | 54 |
| Pair 1 | Daddy, Cheer Up! | Yuk Joong-wan of Rose Motel | The Blue in You (그대 안의 블루) | Kim Hyun-chul [ko] & Lee So-ra | 45 |
| 2nd Song | Daddy, Cheer Up! | Yuk Joong-wan of Rose Motel | Bounce | Cho Yong-pil | – |
| Pair 2 | Hardware Store Boss Kim | Hong Seok-cheon | Feeling Only You (너만을 느끼며) | The Blue | 34 |
| Pair 2 | SangAmDong Whistle | Taeil of Block B | Feeling Only You (너만을 느끼며) | The Blue | 65 |
| 2nd Song | Hardware Store Boss Kim | Hong Seok-cheon | First Impression (첫 인상) | Kim Gun-mo | – |
| Pair 3 | CBR Cleopatra | Kim Yeon-woo | The Phantom of the Opera (Korean version) (오페라의 유령) | Andrew Lloyd Webber | 50 |
| Pair 3 | Storm and Gale Unicorn | Bae Da-hae | The Phantom of the Opera (Korean version) (오페라의 유령) | Andrew Lloyd Webber | 49 |
| 2nd Song | Storm and Gale Unicorn | Bae Da-hae | About Romance (낭만에 대하여) | Choi Baek-ho [ko] | – |
| Pair 4 | Dance with the Wolf | Lee Geon-myung | Like Rain, Like Music (비처럼 음악처럼) | Kim Hyun-sik | 57 |
| Pair 4 | Faux-naif Red Fox | Sojin of Girl's Day | Like Rain, Like Music (비처럼 음악처럼) | Kim Hyun-sik | 42 |
| 2nd Song | Faux-naif Red Fox | Sojin of Girl's Day | Caution (경고) | Tashannie (타샤니) | – |

#### Episode 8

Episode 8 was broadcast on May 24, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | High Frequency Pair Feelers | Ailee | For You (너를 위해) | Im Jae-bum | 67 |
| Pair 1 | Sangamdong Whistle | Taeil of Block B | Doll (인형) | Lee Ji-hoon & Shin Hye-sung | 32 |
| Pair 2 | CBR Cleopatra | Kim Yeon-woo | If by Chance (만약에 말야) | Noel | N/A |
| Pair 2 | Dance with the Wolf | Lee Geon-myung | Will Forget (잊을게) | YB | N/A |
| Round 3 ||||||
| Finalists | High Frequency Pair Feelers | Ailee | Bruise (멍) | Kim Hyun-jung | 41 |
| Finalists | CBR Cleopatra | Kim Yeon-woo | Cannot Have You (가질 수 없는 너) | Bank [ko] | 58 |
| Final ||||||
| Battle | Jingle Jingle Lark | Jinju | Twinkle | Girls' Generation-TTS | 19 |
| Battle | CBR Cleopatra | Kim Yeon-woo | Previous three songs used as voting standard | Previous three songs used as voting standard | 80 |

### 5th Generation Mask King

* Contestants : Im Se-joon [ko], Kim Seul-gi, Chunji (singer) [ko] (Teen Top), Min (Miss A), Ahn Jae-mo, Baek Chung-kang [ko], Jo Jang-hyuk [ko], Seo In-young

#### Episode 9

Episode 9 was broadcast on May 31, 2015. This marks the beginning of the Fifth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Perfume of Mosquito Time | Im Se-joon | The Days (그날들) | Kim Kwang-seok | 60 |
| Pair 1 | Master Key Finished in 3 Seconds | Kim Seul-gi | The Days (그날들) | Kim Kwang-seok | 39 |
| 2nd Song | Master Key Finished in 3 Seconds | Kim Seul-gi | Whistle (휘파람) | Lee Moon-sae | – |
| Pair 2 | Romantic Pair of Diamond | Chunji of Teen Top | Doll's Dream (인형의 꿈) | Weather Forecast [ko] | 53 |
| Pair 2 | Moaning Voice That Fans the Flames | Min of Miss A | Doll's Dream (인형의 꿈) | Weather Forecast [ko] | 46 |
| 2nd Song | Moaning Voice That Fans the Flames | Min of Miss A | Poison | Uhm Jung-hwa | – |
| Pair 3 | To the Loving and Passionate You | Ahn Jae-mo | Just the Way We Love (우리 사랑 이대로) | Joo Young-hoon & Lee Hye-jin [ko] | 43 |
| Pair 3 | Mystery Stamp Bride | Baek Chung-kang | Just the Way We Love (우리 사랑 이대로) | Joo Young-hoon & Lee Hye-jin [ko] | 56 |
| 2nd Song | To the Loving and Passionate You | Ahn Jae-mo | The Sky in the West (서쪽 하늘) | Lee Seung-chul | – |
| Pair 4 | Lightning in a Dry Sky | Jo Jang-hyuk | The Flower That Could Not Blossom (못다 핀 꽃 한 송이) | Kim Soo-chul | 52 |
| Pair 4 | Daebak Chance 1+1 | Seo In-young | The Flower That Could Not Blossom (못다 핀 꽃 한 송이) | Kim Soo-chul | 47 |
| 2nd Song | Daebak Chance 1+1 | Seo In-young | Confession (고백) | Park Hye-kyung [ko] | – |

#### Episode 10

Episode 10 was broadcast on June 7, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | | Perfume of Mosquito Time | Im Se-joon | You're in My Embrace (그대 내 품에) | Yoo Jae-ha | 69 |
| Pair 1 | | Romantic Pair of Diamond | Chunji of Teen Top | A Night Like Tonight (오늘 같은 밤이면) | Park Jeong-woon [ko] | 30 |
| Pair 2 | Mystery Stamp Bride | Baek Chung-kang | Fix My Makeup (화장을 고치고) | Wax | 25 |
| Pair 2 | Lightning in a Dry Sky | Jo Jang-hyuk | Fortunately (다행이다) | Lee Juck | 74 |
| Round 3 ||||||
| Finalists | Perfume of Mosquito Time | Im Se-joon | Like Being Shot by a Bullet (총 맞은 것처럼) | Baek Ji-young | 35 |
| Finalists | Lightning in a Dry Sky | Jo Jang-hyuk | Please (제발) | Deulgukhwa [ko] | 64 |
| Final ||||||
| Battle | Lightning in a Dry Sky | Jo Jang-hyuk | Previous three songs used as voting standard | Previous three songs used as voting standard | 30 |
| Battle | CBR Cleopatra | Kim Yeon-woo | After This Night (이 밤이 지나면) | Yim Jae-beom | 69 |

### 6th Generation Mask King

* Contestants : Seon Woo [ko], Na Yoon-kwon [ko], Hyun Jyu-ni, Yoon Hyung-bin [ko], Go Yoo-jin [ko] (Flower), Ken (VIXX), Jang Seok-hyun [ko] (S#arp), Jung Eun-ji (Apink)

#### Episode 11

Episode 11 was broadcast on June 14, 2015. This marks the beginning of the Sixth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Sauna Addicted Sheep Head | Seon Woo | It's You (그대네요) | Sung Si-kyung & IU | 35 |
| Pair 1 | Mount Kilimanjaro Leopard | Na Yoon-kwon | It's You (그대네요) | Sung Si-kyung & IU | 64 |
| 2nd Song | Sauna Addicted Sheep Head | Seon Woo | Aemo (애모) | Kim Soo-hee | – |
| Pair 2 | Red Bean Shaved Ice | Hyun Jyu-ni | It's Gonna Be Rolling | Park Hyo-shin & Lee So-ra | 61 |
| Pair 2 | Gone with the Wind | Yoon Hyung-bin | It's Gonna Be Rolling | Park Hyo-shin & Lee So-ra | 38 |
| 2nd Song | Gone with the Wind | Yoon Hyung-bin | One More Drink (한잔 더) | Bobby Kim | – |
| Pair 3 | Pressure Rice Cooker | Go Yoo-jin of Flower | Missing You | Fly to the Sky | 46 |
| Pair 3 | Cracked Egg and Noodles | Ken of VIXX | Missing You | Fly to the Sky | 53 |
| 2nd Song | Pressure Rice Cooker | Go Yoo-jin of Flower | You're the Only One for Me (오직 너뿐인 나를) | Lee Seung-chul | – |
| Pair 4 | Beethoven Virus | Jang Seok-hyun of S#arp | A Star Goes Down (별이 진다네) | Travel Sketch [ko] | 41 |
| Pair 4 | Mother Said Nope to UV | Jung Eun-ji of Apink | A Star Goes Down (별이 진다네) | Travel Sketch [ko] | 58 |
| 2nd Song | Beethoven Virus | Jang Seok-hyun of S#arp | Nocturne (녹턴) | Lee Eun-mi | – |

#### Episode 12

Episode 12 was broadcast on June 21, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Mount Kilimanjaro Leopard | Na Yoon-kwon | Heeya (희야) | Boohwal | 73 |
| Pair 1 | Red Bean Shaved Ice | Hyun Jyu-ni | Break Away | Big Mama | 26 |
| Pair 2 | Cracked Egg and Noodles | Ken of VIXX | Don't Be Happy (행복하지 말아요) | MC the Max | 40 |
| Pair 2 | Mother Said Nope to UV | Jung Eun-ji of Apink | I Hate You (미워요) | Choi Jung-in | 59 |
| Round 3 ||||||
| Finalists | Mount Kilimanjaro Leopard | Na Yoon-kwon | With Me | Wheesung | 43 |
| Finalists | Mother Said Nope to UV | Jung Eun-ji of Apink | Love Rain (사랑비) | Kim Tae-woo | 56 |
| Final ||||||
| Battle | Mother said Nope to UV | Jung Eun-ji of Apink | Previous three songs used as voting standard | Previous three songs used as voting standard | 11 |
| Battle | CBR Cleopatra | Kim Yeon-woo | Love...That Person (사랑.. 그 놈) | Bobby Kim | 88 |

### 7th Generation Mask King

* Contestants : Lyn, Go Myung-hwan [ko], Song Won-geun, Lee Ki-chan, Choi Jung-in, Gaeko (Dynamic Duo), Moon Hee-kyung, Kim Boa (SPICA) [ko] (Spica)

#### Episode 13

Episode 13 was broadcast on June 28, 2015. This marks the beginning of the Seventh Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Young and Sexy Post Box | Lyn | Unpredictable Life (알 수 없는 세상) | Lee Moon-sae | 50 |
| Pair 1 | God of Feasts Tambourine | Go Myung-hwan | Unpredictable Life (알 수 없는 세상) | Lee Moon-sae | 49 |
| 2nd Song | God of Feasts Tambourine | Go Myung-hwan | To You Know My Pain (내 아픔 아시는 당신께) | Jo Ha-moon [ko] | – |
| Pair 2 | Oh! Korea Will Win | Song Won-geun | Last Love (끝사랑) | Kim Bum-soo | 51 |
| Pair 2 | Kill Two Birds with One Stone Chess Master | Lee Ki-chan | Last Love (끝사랑) | Kim Bum-soo | 48 |
| 2nd Song | Kill Two Birds with One Stone Chess Master | Lee Ki-chan | Please Remember (기억해줘) | Lee So-ra | – |
| Pair 3 | Hope to Get Off Work on-time in the Future | Choi Jung-in | Deciding Not to Forget (잊지 말기로 해) | Jang Pil-soon [ko] & Kim Hyun-chul [ko] | 54 |
| Pair 3 | That Brother is Going to Be Ginger | Gaeko of Dynamic Duo | Deciding Not to Forget (잊지 말기로 해) | Jang Pil-soon [ko] & Kim Hyun-chul [ko] | 45 |
| 2nd Song | That Brother is Going to Be Ginger | Gaeko of Dynamic Duo | Old Love (옛 사랑) | Lee Moon-sae | – |
| Pair 4 | Madam is Shopping | Moon Hee-kyung | Is Anyone There? (누구 없소) | Han Young-ae [ko] | 37 |
| Pair 4 | Take My Sword! Romantic Assassin | Kim Boa of SPICA | Is Anyone There? (누구 없소) | Han Young-ae [ko] | 62 |
| 2nd Song | Madam is Shopping | Moon Hee-kyung | 365 Days (365일) | Ali | – |

#### Episode 14

Episode 14 was broadcast on July 5, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Young and Sexy Post Box | Lyn | Spring Past (봄날은 간다) | Baek Seol-hee [ko] | 54 |
| Pair 1 | Oh! Korea Will Win | Song Won-geun | Sad Ocean (슬픈 바다) | Jo Jeong-hyun [ko] | 45 |
| Pair 2 | Hope to Get Off Work on-time in the Future | Choi Jung-in | Farewell Taxi (이별택시) | Kim Yeon-woo | 43 |
| Pair 2 | Take My Sword! Romantic Assassin | Kim Boa of SPICA | Said (...라구요) | Kang San-eh | 56 |
| Round 3 ||||||
| Finalists | Young and Sexy Post Box | Lyn | Don't Forget (잊지 말아요) | Baek Ji-young | 47 |
| Finalists | Take My Sword! Romantic Assassin | Kim Boa of SPICA | Music is My Life | Lim Jeong-hee | 52 |
| Final ||||||
| Battle | Take My Sword! Romantic Assassin | Kim Boa of SPICA | Previous three songs used as voting standard | Previous three songs used as voting standard | 15 |
| Battle | CBR Cleopatra | Kim Yeon-woo | The More I Love (사랑할수록) | Boohwal | 84 |

### 8th Generation Mask King

* Contestants : Noh Yoo-min [ko] (NRG), Jung Soo-ra [ko], Tei, Kim So-young [ko], Yuju (GFriend), The Name [ko], Lee Jung, Kim Tae-gyun (Cultwo)

#### Episode 15

Episode 15 was broadcast on July 12, 2015. This marks the beginning of the Eighth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Innocent Man Was Dumped Today | Noh Yoo-min of NRG | Your Meaning (너의 의미) | Sanulrim | 26 |
| Pair 1 | Brush Your Teeth Thrice Daily | Jung Soo-ra | Your Meaning (너의 의미) | Sanulrim | 73 |
| 2nd Song | Innocent Man Was Dumped Today | Noh Yoo-min of NRG | This Song (이 노래) | 2AM | – |
| Pair 2 | JAWS Has Appeared | Tei | Safety (안부) | Byul & Na Yoon-kwon [ko] | 85 |
| Pair 2 | Raining in Honam Line | Kim So-young | Safety (안부) | Byul & Na Yoon-kwon [ko] | 14 |
| 2nd Song | Raining in Honam Line | Kim So-young | Musical (뮤지컬) | Sang A Im-Propp | – |
| Pair 3 | Christmas in July | Yuju of GFriend | Without a Heart (심장이 없어) | 8Eight | 56 |
| Pair 3 | Midsummer Night's Beer Party | The Name | Without a Heart (심장이 없어) | 8Eight | 43 |
| 2nd Song | Midsummer Night's Beer Party | The Name | One's Way Back (귀로) | Park Seon-joo [ko] | – |
| Pair 4 | King of Song Tungki | Lee Jung | Moonlight by the Window (달빛 창가에서) | City Boys (도시아이들) | 75 |
| Pair 4 | Cold-blooded Man Cyborg | Kim Tae-gyun of Cultwo | Moonlight by the Window (달빛 창가에서) | City Boys (도시아이들) | 24 |
| 2nd Song | Cold-blooded Man Cyborg | Kim Tae-gyun of Cultwo | MaMa | Bobby Kim | – |

#### Episode 16

Episode 16 was broadcast on July 19, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Brush Your Teeth Thrice Daily | Jung Soo-ra | A Goose's Dream (거위의 꿈) | Carnival [ko] | 40 |
| Pair 1 | JAWS Has Appeared | Tei | Missing You (보고싶다) | Kim Bum-soo | 59 |
| Special | Brush Your Teeth Thrice Daily | Jung Soo-ra | Beautiful Country (아름다운 강산) | Lee Sun-hee | – |
| Pair 2 | Christmas in July | Yuju of G-Friend | I Love You (난 널 사랑해) | Shin Hyo-beom [ko] | 8 |
| Pair 2 | King of Song Tungki | Lee Jung | People Who Make Me Sad (나를 슬프게 하는 사람들) | Kim Kyung-ho | 91 |
| Round 3 ||||||
| Finalists | JAWS Has Appeared | Tei | Everyone (여러분) | Yoon Bok-hee | 38 |
| Finalists | King of Song Tungki | Lee Jung | You in Vague Memory (흐린 기억 속의 그대) | Hyun Jin-young | 61 |
| Final ||||||
| Battle | CBR Cleopatra | Kim Yeon-woo | 500 Years of Sorrow (한 오백 년) | Gangwon Province's Arirang | 42 |
| Battle | King of Song Tungki | Lee Jung | Previous three songs used as voting standard | Previous three songs used as voting standard | 57 |

### 9th Generation Mask King

* Contestants : Kim Min-hee, Im Jae-wook [ko] (The Position [ko]), Kang Min-kyung (Davichi), Jung Jae-wook [ko], Bae Soo-jeong [ko], Yeoeun [ko] (Melody Day), Kim Young-ho, Kang Kyun-sung (Noel)

#### Episode 17

Episode 17 was broadcast on July 26, 2015. This marks the beginning of the Ninth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Opening | CBR Cleopatra | Kim Yeon-woo & Sandeul | Is It Still Beautiful (여전히 아름다운지) | Toy | – |
| Round 1 ||||||
| Pair 1 | Buy Warmly Rice Cake | Kim Min-hee | In the Rain (빗속에서) | Lee Moon-sae | 40 |
| Pair 1 | Life Go Straight Traffic Lights | Im Jae-wook of The Position | In the Rain (빗속에서) | Lee Moon-sae | 59 |
| 2nd Song | Buy Warmly Rice Cake | Kim Min-hee | Family Name is Kim (성은 김이요) | Moon Hee-ok [ko] | – |
| Pair 2 | Cotton Candy Come for Walk | Kang Min-kyung of Davichi | Some (썸) | Soyou & Junggigo | 61 |
| Pair 2 | Batteries of Love Died | Jung Jae-wook | Some (썸) | Soyou & Junggigo | 38 |
| 2nd Song | Batteries of Love Died | Jung Jae-wook | It's too Late (너무 늦었잖아요) | Byun Jin-sub | – |
| Pair 3 | Sweet Bloody Ice Cream | Bae Soo-jeong | Super Star | Jewelry | 28 |
| Pair 3 | Give a Taste of Spicy Miss Pepper | Yeoeun of Melody Day | Super Star | Jewelry | 71 |
| 2nd Song | Sweet Bloody Ice Cream | Bae Soo-jeong | Exultation (환희) | Jung Soo-ra [ko] | – |
| Pair 4 | Kimsuanmu Turtle and Crane | Kim Young-ho | If You're Like Me (나와 같다면) | Kim Jang-hoon | 36 |
| Pair 4 | Smiley Face with Watermelon Seeds | Kang Kyun-sung of Noel | If You're Like Me (나와 같다면) | Kim Jang-hoon | 63 |
| 2nd Song | Kimsuanmu Turtle and Crane | Kim Young-ho | Please Love Her (그녀를 사랑해줘요) | Ha Dong-kyun | – |

#### Episode 18

Episode 18 was broadcast on August 2, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Life Go Straight Traffic Lights | Im Jae-wook of The Position | Mona Lisa (모나리자) | Cho Yong-pil | 42 |
| Pair 1 | Cotton Candy Come for Walk | Kang Min-kyung of Davichi | Like the First Feeling (처음 느낌 그대로) | Lee So-ra | 57 |
| Pair 2 | Give a Taste of Spicy Miss Pepper | Yeoeun of Melody Day | Love is Gone (사랑이 떠나가네) | Kim Gun-mo | 53 |
| Pair 2 | Smiley Face with Watermelon Seeds | Kang Kyun-sung of Noel | With My Tears (내 눈물 모아) | Seo Ji-won [ko] | 46 |
| 3rd Song | Smiley Face with Watermelon Seeds | Kang Kyun-sung of Noel | Memory of the Wind (바람기억) | Naul | – |
| Round 3 ||||||
| Finalists | Cotton Candy Come for Walk | Kang Min-kyung of Davichi | One Late Night in 1994 (1994년 어느 늦은 밤) | Jang Hye-jin | 48 |
| Finalists | Give a Taste of Spicy Miss Pepper | Yeoeun of Melody Day | Faraway, My Honey (님은 먼 곳에) | Kim Choo-ja [ko] | 51 |
| Final ||||||
| Battle | King of Song Tungki | Lee Jung | I Believe | Lee Soo-young | 49 |
| Battle | Give a Taste of Spicy Miss Pepper | Yeoeun of Melody Day | Previous three songs used as voting standard | Previous three songs used as voting standard | 50 |

### 10th Generation Mask King

* Contestants : Huh Gong [ko], Lee Sung-kyung, Lee Young-hyun [ko] (Big Mama), Hong Ji-min [ko], Alex Chu (Clazziquai Project), Son Dong-woon (Highlight), Kim Seung-mi [ko], Bada Kim

#### Episode 19

Episode 19 was broadcast on August 9, 2015. This marks the beginning of the Tenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Cute Tube Boy | Huh Gong | Nagging (잔소리) | IU & Lim Seul-ong | 47 |
| Pair 1 | Flower Crab Holding Flowers | Lee Sung-kyung | Nagging (잔소리) | IU & Lim Seul-ong | 52 |
| 2nd Song | Cute Tube Boy | Huh Gong | Malri Flower (말리꽃) | Lee Seung-chul | – |
| Pair 2 | Singing Triceratops | Lee Young-hyun of Big Mama | Lying on the Sea (바다에 누워) | The Treble Clef [ko] | 46 |
| Pair 2 | Go! Hawaii | Hong Ji-min | Lying on the Sea (바다에 누워) | The Treble Clef [ko] | 53 |
| 2nd Song | Singing Triceratops | Lee Young-hyun of Big Mama | When Flowering Spring Comes (꽃피는 봄이 오면) | BMK | – |
| Special | Singing Triceratops | Lee Young-hyun of Big Mama | Romantic Cat (낭만 고양이) | Cherry Filter | – |
| Pair 3 | Levitation Hot-Air Balloon | Alex Chu of Clazziquai | Goodbye (잘가요) | Jung Jae-wook [ko] | 41 |
| Pair 3 | Prince Of The Sea | Son Dong-woon of HIGHLIGHT | Goodbye (잘가요) | Jung Jae-wook [ko] | 58 |
| 2nd Song | Levitation Hot-Air Balloon | Alex Chu of Clazziquai | Around Thirty (서른 즈음에) | Kim Kwang-seok | – |
| Pair 4 | A Pear Drops as a Crow Flies from the Tree | Kim Seung-mi | Moon of Seoul (서울의 달) | Kim Gun-mo | 72 |
| Pair 4 | God of Hairdressing Scissorhands | Bada Kim | Moon of Seoul (서울의 달) | Kim Gun-mo | 27 |
| 2nd Song | God of Hairdressing Scissorhands | Bada Kim | Crooked (삐딱하게) | G-Dragon | – |

#### Episode 20

Episode 20 was broadcast on August 16, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Flower Crab Holding Flowers | Lee Sung-kyung | I Hope It Would Be That Way Now (이젠 그랬으면 좋겠네) | Cho Yong-pil | 21 |
| Pair 1 | Go! Hawaii | Hong Ji-min | Unreasonable Reason (이유 같지 않은 이유) | Park Mi-kyung [ko] | 78 |
| 3rd Song | Flower Crab Holding Flowers | Lee Sung-kyung | Please Take Care Of Me (잘 부탁드립니다) | EX [ko] | – |
| Pair 2 | Prince of the Sea | Son Dong-woon of HIGHLIGHT | I Will Give You It All (다 줄거야) | Jo Gyu-man [ko] | 48 |
| Pair 2 | A Pear Drops as a Crow Flies from the Tree | Kim Seung-mi | The Flight (비상) | Yim Jae-beom | 51 |
| Round 3 ||||||
| Finalists | Go! Hawaii | Hong Ji-min | Forever with You (그대와 영원히) | Lee Moon-sae | 57 |
| Finalists | A Pear Drops as a Crow Flies from the Tree | Kim Seung-mi | I Still Love You (난 아직도 널) | One Piece [ko] | 42 |
| Final ||||||
| Battle | Give a Taste of Spicy Miss Pepper | Yeoeun of Melody Day | As Like Dandelion Spores (민들레 홀씨 되어) | Park Mi-kyung [ko] | 48 |
| Battle | Go! Hawaii | Hong Ji-min | Previous three songs used as voting standard | Previous three songs used as voting standard | 51 |

### 11th Generation Mask King

* Contestants : Mikey (Duble Sidekick), Solar (Mamamoo), Jung Sang-hoon, Chen (EXO), Shin Hyo-beom [ko], Joo Hee [ko] (8Eight), Kim Hyung-joong [ko], Jang Ki-ho [ko]

#### Episode 21

Episode 21 was broadcast on August 23, 2015. This marks the beginning of the Eleventh Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | This Axe is My Axe | Mikey of Duble Sidekick | Already One Year (벌써 일년) | Brown Eyes | 40 |
| Pair 1 | Single Hearted Sunflower | Solar of Mamamoo | Already One Year (벌써 일년) | Brown Eyes | 59 |
| 2nd Song | This Axe is My Axe | Mikey of Duble Sidekick | Holding the End of this Night (이 밤의 끝을 잡고) | Solid | – |
| Pair 2 | Amazing Jack of All Trades | Jung Sang-hoon | A Passionate Goodbye (뜨거운 안녕) | Toy | 32 |
| Pair 2 | Legendary Guitarman | Chen of EXO | A Passionate Goodbye (뜨거운 안녕) | Toy | 67 |
| 2nd Song | Amazing Jack of All Trades | Jung Sang-hoon | Bravo My Life | Bom Yeoreum Gaeul Kyeoul | – |
| Pair 3 | Night Blooming Rose | Shin Hyo-beom | Men Came Down from the Sky Like Rain (하늘에서 남자들이 비처럼 내려와) | Bubble Sisters [ko] | 50 |
| Pair 3 | Congratulatory Birthday Cake | Joo Hee of 8Eight | Men Came Down from the Sky Like Rain (하늘에서 남자들이 비처럼 내려와) | Bubble Sisters [ko] | 49 |
| 2nd Song | Congratulatory Birthday Cake | Joo Hee of 8Eight | Father (아버지) | Insooni | – |
| Pair 4 | Light's Warrior Shabang-Stone | Kim Hyung-joong | Becoming Dust (먼지가 되어) | Kim Kwang-seok | 56 |
| Pair 4 | Mother Father Gentleman | Jang Ki-ho | Becoming Dust (먼지가 되어) | Kim Kwang-seok | 43 |
| 2nd Song | Mother Father Gentleman | Jang Ki-ho | Remaining (미련) | Kim Gun-mo | – |

#### Episode 22

Episode 22 was broadcast on August 30, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Single Hearted Sunflower | Solar of Mamamoo | I'll Give the Love That Stays with Me (내게 남은 사랑을 드릴게요) | Jang Hye-ri [ko] | 28 |
| Pair 1 | Legendary Guitarman | Chen of EXO | Stained (물들어) | BMK | 71 |
| Pair 2 | Night Blooming Rose | Shin Hyo-beom | Again (또) | Insooni | 52 |
| Pair 2 | Light's Warrior Shabang-Stone | Kim Hyung-joong | A Thousand Days (천일 동안) | Lee Seung-hwan | 47 |
| Round 3 ||||||
| Finalists | Legendary Guitarman | Chen of EXO | Drunken Truth (취중진담) | Exhibition [ko] | 51 |
| Finalists | Night Blooming Rose | Shin Hyo-beom | Drinking (술이야) | Vibe | 48 |
| Final ||||||
| Battle | Legendary Guitarman | Chen of EXO | Previous three songs used as voting standard | Previous three songs used as voting standard | 35 |
| Battle | Go! Hawaii | Hong Ji-min | Invitation for Me (나에게로의 초대) | Jung Kyung-hwa [ko] | 64 |

### 12th Generation Mask King

* Contestants : Seo Young-eun [ko], Kim Dong-wook, Lim Hyung-joo, Kim Young-chul, Seo Doo-won [ko], Sonya [ko], Sungtae [ko] (Postmen [ko]), Jung Yu-ji [ko] (Bestie)

#### Episode 23

Episode 23 was broadcast on September 6, 2015. This marks the beginning of the Twelfth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Jeweler's Butterfly Wife | Seo Young-eun | Be Happy | Jung Tae-woo & Jang Na-ra | 52 |
| Pair 1 | Ascending Performer Clown | Kim Dong-wook | Be Happy | Jung Tae-woo & Jang Na-ra | 47 |
| 2nd Song | Ascending Performer Clown | Kim Dong-wook | With a Heart That Should Forget (잊어야 한다는 마음으로) | Kim Kwang-seok | – |
| Pair 2 | Real Man Tough Guy | Lim Hyung-joo | By Your Side (너의 곁으로) | Jo Sung-mo | 85 |
| Pair 2 | Pythagorean Theorem | Kim Young-chul | By Your Side (너의 곁으로) | Jo Sung-mo | 14 |
| 2nd Song | Pythagorean Theorem | Kim Young-chul | Into The Army in the Train (입영열차 안에서) | Kim Min-woo [ko] | – |
| Pair 3 | We Found our Sound | Seo Doo-won | White Winter (하얀 겨울) | Mr. 2 [ko] | 36 |
| Pair 3 | Love Write in Pencil | Sonya | White Winter (하얀 겨울) | Mr. 2 [ko] | 63 |
| 2nd Song | We Found our Sound | Seo Doo-won | Miss, Miss And Miss (그립고 그립고 그립다) | K.Will | – |
| Pair 4 | Soori Soori Masoori | Sungtae of Postmen | Breath (숨소리) | SM the Ballad (Taeyeon & Jonghyun) | 49 |
| Pair 4 | I Love Coffee | UJi of BESTie | Breath (숨소리) | SM the Ballad (Taeyeon & Jonghyun) | 50 |
| 2nd Song | Soori Soori Masoori | Sungtae of Postmen | Good Person (좋은 사람) | Park Hyo-shin | – |

#### Episode 24

Episode 24 was broadcast on September 13, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Jeweler's Butterfly Wife | Seo Young-eun | Facing the Desolate Love (사랑 그 쓸쓸함에 대하여) | Yang Hee-eun | 43 |
| Pair 1 | Real Man Tough Guy | Lim Hyung-joo | Invisible Love (보이지 않는 사랑) | Shin Seung-hun | 56 |
| Pair 2 | Love Write in Pencil | Sonya | Azalea (진달래꽃) | Maya | 54 |
| Pair 2 | I Love Coffee | UJi of BESTie | Memory Loss (기억상실) | Gummy | 45 |
| Round 3 ||||||
| Finalists | Real Man Tough Guy | Lim Hyung-joo | Death Song (사의 찬미) | Yun Sim-deok | 40 |
| Finalists | Love Write in Pencil | Sonya | Rain in Glass Window (유리창엔 비) | The Sunlight Village (햇빛촌) | 59 |
| Final ||||||
| Battle | Go! Hawaii | Hong Ji-min | As I Say (말하는 대로) | Sagging Snail (Yoo Jae-suk & Lee Juck) | 42 |
| Battle | Love Write in Pencil | Sonya | Previous three songs used as voting standard | Previous three songs used as voting standard | 57 |

### Special Live 2015: Your Choice! King of Mask Singer

* Contestants : Kim Boa (Spica), Kim Ye-won, Yook Sung-jae (BtoB), Jang Hye-jin, Na Yoon-kwon [ko], Baek Chung-kang [ko], Jo Jang-hyuk [ko], Bae Da-hae [ko]
The special live broadcast aired on September 11, 2015, as part of the DMC Festival. This was a special edition that brought back contestants that had been eliminated in previous episodes, and a special Mask King was chosen from live voting (in 3 minutes after each pair's performance). Jo Jang-hyuk was able to perform as a challenger in Episode 34.
| Order | Stage Name | Real Name | Song | Original artist | Vote Ratio |
| Opening | Sangam-dong Jaw Stone | Kim Gu-ra | Show | Kim Won-jun | – |
| Opening | Only Call Juseyong | Kim Sung-joo | Show | Kim Won-jun | – |
| Round 1 ||||||
| Pair 1 | Sweet Voice is So Sweet | Kim Boa of SPICA | Dancing Queen (Korean version) | ABBA | 62% |
| Pair 1 | The High Notes in My Mind | Kim Ye-won | Dancing Queen (Korean version) | ABBA | 38% |
| 2nd Song | The High Notes in My Mind | Kim Ye-won | Honey | Park Jin-young | – |
| Pair 2 | LP Boy | Yook Sungjae of BtoB | Even Though the Heart Hurts (가슴 아파도) | Fly to the Sky | 64% (9458) |
| Pair 2 | Unresponsive Mirror Princess | Jang Hye-jin | Even Though the Heart Hurts (가슴 아파도) | Fly to the Sky | 36% (5512) |
| 2nd Song | LP Boy** | Yook Sungjae of BtoB | Replay | Kim Dong-ryul | – |
| Pair 3 | My Song Makes Women Cry | Na Yoon-kwon | Flying Deep in the Night (깊은 밤을 날아서) | Lee Moon-sae | 45% |
| Pair 3 | Army Sergeant Napoleon | Baek Chung-kang | Flying Deep in the Night (깊은 밤을 날아서) | Lee Moon-sae | 55% |
| 2nd Song | My Song Makes Women Cry | Na Yoon-kwon | Nothing Better | Jungyup | – |
| Pair 4 | Sensitivity Vocal Cricket | Jo Jang-hyuk | Only Love (사랑일 뿐야) | Kim Min-woo [ko] | 74% (8426) |
| Pair 4 | Ambivalent Heart Of A Reed | Bae Da-hae | Only Love (사랑일 뿐야) | Kim Min-woo [ko] | 26% (2975) |
| 2nd Song | Ambivalent Heart Of A Reed | Bae Da-hae | Good Day (좋은 날) | IU | – |
| 2nd Song | Unresponsive Mirror Princess** | Jang Hye-jin | Even If You Get Cheated by World (세상이 그대를 속일지라도) | Kim Jang-hoon | – |
| Round 2 ||||||
| Pair 1 | Sweet Voice is So Sweet | Kim Boa of SPICA | You Let Me Go with a Smile (미소를 띄우며 나를 보낸 그 모습처럼) | Lee Eun-ha [ko] | ** |
| Pair 1 | LP Boy** | Yook Sungjae of BtoB | To You (그대에게) | Caterpillar [ko] | ** |
| Pair 2 | Army Sergeant Napoleon | Baek Chung-kang | Tears | So Chan-whee | 7140 |
| Pair 2 | Sensitivity Vocal Cricket | Jo Jang-hyuk | Sad Love (비련) | Cho Yong-pil | 10782 |
| **Yook Sungjae was initially eliminated and identity revealed by accident due to a mistake in the counting of live votes from the first round, he performed his third song (which was prepared for the final round) for the second round's competition but then decided to drop out (before MC publish the voting result of the second round's first pair) to ensure a fair competition. "Sweet Voice is So Sweet" was thus able to advance. ||||||
| Battle ||||||
| Finalists | Sweet Voice is So Sweet | Kim Boa of SPICA | To You Again (너에게로 또 다시) | Byun Jin-sub | 19% |
| Finalists | Sensitivity Vocal Cricket | Jo Jang-hyuk | My Love by My Side (내 사랑 내 곁에) | Kim Hyun-sik | 81% |

### 13th Generation Mask King

* Contestants : Sung Ji-ru, Lee Seok-hoon (SG Wannabe), Byul, Choa (AOA), Choi Jin-hee [ko], Kim Seung-jin [ko], Gummy, Simon Dominic

#### Episode 25

Episode 25 was broadcast on September 20, 2015. This marks the beginning of the Thirteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Pirate of the Caribbean | Sung Ji-ru | I'm Going Out (나도야 간다) | Kim Soo-chul | 32 |
| Pair 1 | Bright Full Moon | Lee Seok-hoon of SG Wannabe | I'm Going Out (나도야 간다) | Kim Soo-chul | 67 |
| 2nd Song | Pirate of the Caribbean | Sung Ji-ru | After the Love Has Gone (사랑한 후에) | Deulgukhwa | – |
| Pair 2 | Wear Lipstick Heavily | Byul | Happy Me (행복한 나를) | Eco [ko] | 49 |
| Pair 2 | Omae, Full Autumn Foliage | Choa of AOA | Happy Me (행복한 나를) | Eco [ko] | 50 |
| 2nd Song | Wear Lipstick Heavily | Byul | Like an Indian Doll (인디언 인형처럼) | Na-mi | – |
| Pair 3 | Red Dragonfly | Choi Jin-hee | Desert Island (무인도) | Kim Choo-ja [ko] | 51 |
| Pair 3 | Golden Bat | Kim Seung-jin | Desert Island (무인도) | Kim Choo-ja [ko] | 48 |
| 2nd Song | Golden Bat | Kim Seung-jin | An Essay of Memory (기억의 습작) | Kim Dong-ryul | – |
| Pair 4 | Young and Innocent Cosmos | Gummy | Because It's You (그대니까요) | Kim Hyun-chul [ko] & Cha Eun-joo (차은주) | 60 |
| Pair 4 | Fashion People Scarecrow | Simon Dominic | Because It's You (그대니까요) | Kim Hyun-chul [ko] & Cha Eun-joo (차은주) | 39 |
| 2nd Song | Fashion People Scarecrow | Simon Dominic | Telepathy (텔레파시) | City Boys (도시아이들) | – |
| Special | Fashion People Scarecrow | Simon Dominic | After Send You (너를 보내고) | YB | – |

#### Episode 26

Episode 26 was broadcast on September 27, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Bright Full Moon | Lee Seok-hoon of SG Wannabe | You Are Just at a Place Higher Than Me (나보다 조금 높은 곳에 니가 있을 뿐) | Shin Seung-hun | 68 |
| Pair 1 | Omae, Full Autumn Foliage | Choa of AOA | Beautiful Restriction (아름다운 구속) | Kim Jong-seo | 31 |
| Pair 2 | Red Dragonfly | Choi Jin-hee | One Million Roses (백만송이 장미) | Sim Soo-bong | 34 |
| Pair 2 | Young and Innocent Cosmos | Gummy | Somebody's Dream (어떤 이의 꿈) | Bom Yeoreum Gaeul Kyeoul | 65 |
| Round 3 ||||||
| Finalists | Bright Full Moon | Lee Seok-hoon of SG Wannabe | Into Memory (기억 속으로) | Lee Eun-mi | 32 |
| Finalists | Young and Innocent Cosmos | Gummy | Yanghwa BRDG (양화대교) | Zion.T | 67 |
| Final ||||||
| Battle | Love Write in Pencil | Sonya | Resignation (체념) | Lee Young-hyun [ko] | 31 |
| Battle | Young and Innocent Cosmos | Gummy | Previous three songs used as voting standard | Previous three songs used as voting standard | 68 |

### 14th Generation Mask King

* Contestants : Jeon Bong-jin [ko], Bae Ki-sung (Can), Wax, Lee Chang-sub (BtoB), Park Jung-ah (Jewelry), Cheetah, Lee Jae-eun [ko], Muzie [ko]

#### Episode 27

Episode 27 was broadcast on October 4, 2015. This marks the beginning of the Fourteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Small Snoring Tiger | Jeon Bong-jin | Want and Resent (원하고 원망하죠) | As One | 60 |
| Pair 1 | Season of High Sky and Plump Horses | Bae Ki-sung of CAN | Want and Resent (원하고 원망하죠) | As One | 39 |
| 2nd Song | Season of High Sky and Plump Horses | Bae Ki-sung of CAN | Don't Be Sad (슬픈 표정 하지 말아요) | Shin Hae-chul | – |
| Pair 2 | Today I Caught Persimmons | Wax | Between Love and Friendship (사랑과 우정 사이) | Pinocchio (피노키오) | 40 |
| Pair 2 | Well-Popped Wi-Fi | Lee Changsub of BtoB | Between Love and Friendship (사랑과 우정 사이) | Pinocchio (피노키오) | 59 |
| 2nd Song | Today I Caught Persimmons | Wax | The Covered Up Road (가리워진 길) | Yoo Jae-ha | – |
| Pair 3 | Stop Moving! | Park Jung-ah of Jewelry | Magic Carpet Ride (매직 카펫 라이드) | Jaurim | 52 |
| Pair 3 | Naratmalssami | Cheetah | Magic Carpet Ride (매직 카펫 라이드) | Jaurim | 47 |
| 2nd Song | Naratmalssami | Cheetah | Side Road (골목길) | Shinchon Blues [ko] | – |
| Special | Naratmalssami | Cheetah | The Practical Usage of Sadness (슬픔 활용법) | Kim Bum-soo | – |
| Pair 4 | One Season's Grasshopper | Lee Jae-eun | Miracle (기적) | Kim Dong-ryool & Lee So-eun [ko] | 5 |
| Pair 4 | Our Unbeatable Friend Taekwon V | Muzie | Miracle (기적) | Kim Dong-ryool & Lee So-eun [ko] | 94 |
| 2nd Song | One Season's Grasshopper | Lee Jae-eun | Flower (꽃) | Jang Yoon-jeong | – |

#### Episode 28

Episode 28 was broadcast on October 11, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Small Snoring Tiger | Jeon Bong-jin | Yearning (동경) | Park Hyo-shin | 54 |
| Pair 1 | Well-Popped Wi-Fi | Lee Changsub of BtoB | You Inside My Memories (추억 속의 그대) | Hwang Ji-hoon [ko] | 45 |
| Pair 2 | Stop Moving! | Park Jung-ah of Jewelry | Rhinoceros (코뿔소) | Han Young-ae [ko] | 37 |
| Pair 2 | Our Unbeatable Friend Taekwon V | Muzie | I Didn't Know That Time (그 땐 미처 알지 못했지) | Lee Juck | 62 |
| Round 3 ||||||
| Finalists | Small Snoring Tiger | Jeon Bong-jin | You Also Leave (그대 떠나가도) | Jo Jang-hyuk [ko] | 44 |
| Finalists | Our Unbeatable Friend Taekwon V | Muzie | I'm Happy (난 행복해) | Lee So-ra | 55 |
| Final ||||||
| Battle | Our Unbeatable Friend Taekwon V | Muzie | Previous three songs used as voting standard | Previous three songs used as voting standard | 21 |
| Battle | Young and Innocent Cosmos | Gummy | Girls' Generation (소녀시대) | Lee Seung-chul | 78 |

### 15th Generation Mask King

* Contestants : Kim Dong-wan (Shinhwa), Chunja, Lee Jeong-bong [ko], Kim Hyun-wook [ko], Gong Hyung-jin, Cho Kyu-hyun (Super Junior), Eun Ga-eun [ko], Park Ji-yoon

#### Episode 29

Episode 29 was broadcast on October 18, 2015. This marks the beginning of the Fifteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Holding the End of This Chestnut | Kim Dong-wan of Shinhwa | Some Day (언젠가는) | Lee Tzsche | 58 |
| Pair 1 | Write a Letter to the Autumn Sky | Chunja | Some Day (언젠가는) | Lee Tzsche | 41 |
| 2nd Song | Write a Letter to the Autumn Sky | Chunja | Love Love Love (사랑 사랑 사랑) | Kim Hyun-sik | – |
| Pair 2 | Ninon Maximus Sonhador Sparta | Lee Jeong-bong | Love, At First (처음엔 사랑이란 게) | Busker Busker | 65 |
| Pair 2 | Sun's Son Circus Man | Kim Hyun-wook | Love, At First (처음엔 사랑이란 게) | Busker Busker | 34 |
| 2nd Song | Sun's Son Circus Man | Kim Hyun-wook | Dunk Shot (덩크 슛) | Lee Seung-hwan | – |
| Pair 3 | Merchant in Venice | Gong Hyung-jin | Blissful Confession (황홀한 고백) | Yoon Soo-il | 23 |
| Pair 3 | Detective Cough | Cho Kyuhyun of Super Junior | Blissful Confession (황홀한 고백) | Yoon Soo-il | 76 |
| 2nd Song | Merchant in Venice | Gong Hyung-jin | Station Of Farewell (이별의 종착역) | Son Si-hyang (손시향) | – |
| Pair 4 | Little Wizard Abracadabra | Eun Ga-eun | Fool (바보) | Park Hyo-shin | 57 |
| Pair 4 | Coy Hundred Steps Pumpkin Seed | Park Ji-yoon | Fool (바보) | Park Hyo-shin | 42 |
| 2nd Song | Coy Hundred Steps Pumpkin Seed | Park Ji-yoon | Beautiful Days (아름다운 날들) | Jang Hye-jin | – |

#### Episode 30

Episode 30 was broadcast on October 25, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Holding the End of This Chestnut | Kim Dong-wan of Shinhwa | The First Poem (서시) | Shin Sung-woo | 28 |
| Pair 1 | Ninon Maximus Sonhador Sparta | Lee Jeong-bong | Please (제발) | Lee So-ra | 71 |
| Pair 2 | Detective Cough | Cho Kyuhyun of Super Junior | Stranger (이방인) | Exhibition [ko] | 40 |
| Pair 2 | Little Wizard Abracadabra | Eun Ga-eun | To Her (그대에게) | Shin Hae-chul | 59 |
| Special | Detective Cough | Cho Kyuhyun of Super Junior | Wild Flower (야생화) | Park Hyo-shin | – |
| Round 3 ||||||
| Finalists | Ninon Maximus Sonhador Sparta | Lee Jeong-bong | Swamp (늪) | Jo Kwan-woo | 39 |
| Finalists | Little Wizard Abracadabra | Eun Ga-eun | Turning the Pages of Memories (추억의 책장을 넘기면) | Lee Sun-hee | 60 |
| Final ||||||
| Battle | Little Wizard Abracadabra | Eun Ga-eun | Previous three songs used as voting standard | Previous three songs used as voting standard | 18 |
| Battle | Young and Innocent Cosmos | Gummy | Beautiful Goodbye (아름다운 이별) | Kim Gun-mo | 81 |

### 16th Generation Mask King

* Contestants : Kim Sung-myun [ko], Kim Jung-min, Park Seul-gi [ko], Dami Im, Hong Jin-young, Seunghee (Oh My Girl), Lee Hyun (8Eight/Homme), Song Pil-geun [ko]

#### Episode 31

Episode 31 was broadcast on November 1, 2015. This marks the beginning of the Sixteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Wolmido Island Viking | Kim Sung-myun | Watercolor of a Rainy Day (비 오는 날 수채화) | Kang In-won [ko] & Kwon In-ha [ko] & Kim Hyun-sik | 43 |
| Pair 1 | Asleep or Awake, Safety First | Kim Jung-min | Watercolor of a Rainy Day (비 오는 날 수채화) | Kang In-won [ko] & Kwon In-ha [ko] & Kim Hyun-sik | 56 |
| 2nd Song | Wolmido Island Viking | Kim Sung-myun | The Woman Outside the Window (창 밖의 여자) | Cho Yong-pil | – |
| Pair 2 | Nasty Person Bulldog Girl | Park Seul-gi | All You Need is Love (사미인곡) | Seomoon Tak | 34 |
| Pair 2 | Statue of Liberty | Dami Im | All You Need is Love (사미인곡) | Seomoon Tak | 65 |
| 2nd Song | Nasty Person Bulldog Girl | Park Seul-gi | December 32 (12월 32일) | Byul | – |
| Pair 3 | Taoist Hermit Medicinal Herb Gingko Leaf | Hong Jin-young | Star (별) | Yoo Mi [ko] | 60 |
| Pair 3 | My Color Television | Seunghee of Oh My Girl | Star (별) | Yoo Mi [ko] | 39 |
| 2nd Song | My Color Television | Seunghee of Oh My Girl | Whale Hunting (고래 사냥) | Song Chang-sik | – |
| Pair 4 | Come Out, Your Majesty! | Lee Hyun of 8Eight/Homme | Will You Marry Me? (결혼해 줄래) | Lee Seung-gi | 57 |
| Pair 4 | Vampire Poisoned with Garlic | Song Pil-geun | Will You Marry Me? (결혼해 줄래) | Lee Seung-gi | 42 |
| 2nd Song | Vampire Poisoned with Garlic | Song Pil-geun | I Even Thought of Marriage (결혼까지 생각했어) | Wheesung | – |

#### Episode 32

Episode 32 was broadcast on November 8, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Asleep or Awake, Safety First | Kim Jung-min | Even Loved the Pain (그 아픔까지 사랑한거야) | Jo Jeong-hyun [ko] | 16 |
| Pair 1 | Statue of Liberty | Dami Im | Never Ending Story | Lee Seung-chul | 83 |
| Pair 2 | Taoist Hermit Medicinal Herb Gingko Leaf | Hong Jin-young | Legends of the Fall (가을의 전설) | Bank [ko] | 41 |
| Pair 2 | Come Out, Your Majesty | Lee Hyun of 8Eight/Homme | Dream (꿈) | Cho Yong-pil | 58 |
| 3rd Song | Taoist Hermit Medicinal Herb Gingko Leaf | Hong Jin-young | Letter of a Private (이등병의 편지) | Kim Kwang-seok | – |
| Round 3 ||||||
| Finalists | Statue of Liberty | Dami Im | Snow Flower (눈의 꽃) | Park Hyo-shin | 44 |
| Finalists | Come Out, Your Majesty | Lee Hyun of 8Eight/Homme | Although I Loved You (사랑했지만) | Kim Kwang-seok | 55 |
| Final ||||||
| Battle | Come Out, Your Majesty | Lee Hyun of 8Eight/Homme | Previous three songs used as voting standard | Previous three songs used as voting standard | 24 |
| Battle | Young and Innocent Cosmos | Gummy | A Person in My Dream (몽중인) | Lena Park | 75 |

### 17th Generation Mask King

* Contestants : Lee Young-jin, Raina (After School/Orange Caramel), Younha, Jo Bin [ko] (Norazo), Kim Jung-tae, Daehyun (B.A.P), Cha Ji-yeon, Hyun Jin-young

#### Episode 33

Episode 33 was broadcast on November 15, 2015. This marks the beginning of the Seventeenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Candy in My Ear | Lee Young-jin | Hey Hey Hey | Jaurim | 39 |
| Pair 1 | Top of the World | Raina of After School/Orange Caramel | Hey Hey Hey | Jaurim | 62 |
| 2nd Song | Candy in My Ear | Lee Young-jin | Jazz Cafe (재즈 카페) | Shin Hae-chul | – |
| Pair 2 | Rainbow Romance | Younha | Like a Star (별처럼) | The One & Taeyeon | 78 |
| Pair 2 | Oppa Run Motorcycle! Honk Honk | Jo Bin of Norazo | Like a Star (별처럼) | The One & Taeyeon | 23 |
| 2nd Song | Oppa Run Motorcycle! Honk Honk | Jo Bin of Norazo | Our Night is More Beautiful Than Your Day (우리의 밤은 당신의 낮보다 아름답다) | Kona (코나) | – |
| Pair 3 | Wandering Poet Kim Sattgat | Kim Jung-tae | One More Time (한 번만 더) | Park Sung-shin [ko] | 50 |
| Pair 3 | Hitmaker Freshman | Daehyun of B.A.P | One More Time (한 번만 더) | Park Sung-shin [ko] | 51 |
| 2nd Song | Wandering Poet Kim Sattgat | Kim Jung-tae | My Love too Far to Have Near (가까이하기엔 너무 먼 당신) | Lee Kwang-jo [ko] | – |
| Pair 4 | Amazon Cat-Girl | Cha Ji-yeon | Sano Ramen (사노라면) | Johnny Lee [ko] | 61 |
| Pair 4 | Check Again, Extinguish the Fire 119 | Hyun Jin-young | Sano Ramen (사노라면) | Johnny Lee [ko] | 40 |
| 2nd Song | Check Again, Extinguish the Fire 119 | Hyun Jin-young | Letter (편지) | Kim Kwang-jin [ko] | – |

#### Episode 34

Episode 34 was broadcast on November 22, 2015. "Sensitivity Vocal Cricket", who was Mask King of the special live broadcast (aired September 11, 2015), participated in the final battle with the Sixteenth Generation Mask King and the Challenger.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Top of the World | Raina of After School/Orange Caramel | Forgotten Season (잊혀진 계절) | Lee Yong [ko] | 46 |
| Pair 1 | Rainbow Romance | Younha | Grasshopper's Love (애송이의 사랑) | Yangpa | 55 |
| Pair 2 | Hitmaker Freshman | Daehyun of B.A.P | Empty Glass (빈 잔) | Nam Jin | 16 |
| Pair 2 | Amazon Cat-Girl | Cha Ji-yeon | Run Devil Run | Girls' Generation | 85 |
| Round 3 ||||||
| Finalists | Rainbow Romance | Younha | Come Back Home | 2NE1 | 29 |
| Finalists | Amazon Cat-Girl | Cha Ji-yeon | Alone (홀로) | Jung Key & Kim Na-young | 72 |
| Final ||||||
| Battle | Sensitivity Vocal Cricket | Jo Jang-hyuk | Rain and You (비와 당신) | Park Joong-hoon | 29 |
| Battle | Young and Innocent Cosmos | Gummy | In My Dream (꿈에) | Jo Deok-bae [ko] | 32 |
| Battle | Amazon Cat-Girl | Cha Ji-yeon | Previous three songs used as voting standard | Previous three songs used as voting standard | 40 |

### 18th Generation Mask King

* Contestants : Kim Jin-soo [ko], Lee Seon [ko], Kim Hyung-beom [ko], Oh Jong-hyuk (Click-B), Jessi, Minah (Girl's Day), Kim Ji-hwan [ko] (2BiC), Lee Beom-hak [ko]

#### Episode 35

Episode 35 was broadcast on November 29, 2015. This marks the beginning of the Eighteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Sad Pharaoh | Kim Jin-soo | For Couples Just Begun (시작되는 연인들을 위해) | Lee Won-jin [ko] & Ryu Geum-deok (류금덕) | 56 |
| Pair 1 | Ahromi | Lee Seon | For Couples Just Begun (시작되는 연인들을 위해) | Lee Won-jin [ko] & Ryu Geum-deok (류금덕) | 43 |
| 2nd Song | Ahromi | Lee Seon | Sorry, I Hate You (미안해 널 미워해) | Jaurim | – |
| Pair 2 | Maracas Muchacho Kim Sato | Kim Hyung-beom | An Outsider (아웃사이더) | Bom Yeoreum Gaeul Kyeoul | 18 |
| Pair 2 | Lonely Man Leon | Oh Jong-hyuk of Click-B | An Outsider (아웃사이더) | Bom Yeoreum Gaeul Kyeoul | 81 |
| 2nd Song | Maracas Muchacho Kim Sato | Kim Hyung-beom | Christmas in August OST (8월의 크리스마스) | Han Suk-kyu | – |
| Pair 3 | Miss Korea | Jessi | Warning of the Eve (이브의 경고) | Park Mi-kyung [ko] | 31 |
| Pair 3 | Countess Victorian | Minah of Girl's Day | Warning of the Eve (이브의 경고) | Park Mi-kyung [ko] | 68 |
| 2nd Song | Miss Korea | Jessi | Sea of Love | Fly to the Sky | – |
| Pair 4 | Penguin Man | Kim Ji-hwan of 2BiC | Even Though My Heart Aches (가슴 아파도) | Fly to the Sky | 64 |
| Pair 4 | Imprisoned Papillon | Lee Beom-hak | Even Though My Heart Aches (가슴 아파도) | Fly to the Sky | 35 |
| 2nd Song | Imprisoned Papillon | Lee Beom-hak | The Pierrot Laughs at Us (삐에로는 우릴 보고 웃지) | Kim Wan-sun | – |

#### Episode 36

Episode 36 was broadcast on December 6, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Sad Pharaoh | Kim Jin-soo | Even If You Get Cheated by World (세상이 그대를 속일지라도) | Kim Jang-hoon | 29 |
| Pair 1 | Lonely Man Leon | Oh Jong-hyuk of Click-B | Left-handed (왼손잡이) | Panic [ko] | 70 |
| Pair 2 | Countess Victorian | Minah of Girl's Day | How Are You (어떤가요) | Lee Jeong-bong [ko] | 26 |
| Pair 2 | Penguin Man | Kim Ji-hwan of 2BiC | On the Street (거리에서) | Dongmulwon [ko] | 73 |
| Round 3 ||||||
| Finalists | Lonely Man Leon | Oh Jong-hyuk of Click-B | Winter Rain (겨울비) | Kim Jong-seo | 30 |
| Finalists | Penguin Man | Kim Ji-hwan of 2BiC | Plastic Syndrome (플라스틱 신드롬) | Kim Jong-seo | 69 |
| Final ||||||
| Battle | Penguin Man | Kim Ji-hwan of 2BiC | Previous three songs used as voting standard | Previous three songs used as voting standard | 11 |
| Battle | Amazon Cat-Girl | Cha Ji-yeon | Love over Thousand Years (천년의 사랑) | Park Wan-kyu | 88 |

### 19th Generation Mask King

* Contestants : Lee Soo-young, Chae Yeon, G.O (MBLAQ), Kangnam (M.I.B), Yoonhan, Jo Jung-min, Lee Chun-soo, Lee Ji-hoon

#### Episode 37

Episode 37 was broadcast on December 13, 2015. This marks the beginning of the Nineteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | The Goddess of Beauty Aphrodite Playing a Harp | Lee Soo-young | A Wedding Proposal (청혼) | Lee So-ra | 59 |
| Pair 1 | The Flamboyant Duchess Miss Peacock | Chae Yeon | A Wedding Proposal (청혼) | Lee So-ra | 40 |
| 2nd Song | The Flamboyant Duchess Miss Peacock | Chae Yeon | As Time Goes By (세월이 가면) | Choi Ho-seop (최호섭) | – |
| Pair 2 | Dad Bought Bungeoppang | G.O of MBLAQ | Spring Days of My Life (내 생에 봄날은) | Can | 52 |
| Pair 2 | Musical Prodigy Conductor Mozart | Kangnam of M.I.B | Spring Days of My Life (내 생에 봄날은) | Can | 47 |
| 2nd Song | Musical Prodigy Conductor Mozart | Kangnam of M.I.B | Beautiful Pain (아름다운 아픔) | Kim Min-jong | – |
| Special | Musical Prodigy Conductor Mozart | Kangnam of M.I.B | Let's Go Travel (여행을 떠나요) | Cho Yong-pil | – |
| Pair 3 | Good Friend Santa Claus | Yoonhan | Grabber (욕심쟁이) | Kim Dong-ryul & Lee So-eun [ko] | 48 |
| Pair 3 | Glamor Girl Rudolph | Jo Jung-min | Grabber (욕심쟁이) | Kim Dong-ryul & Lee So-eun [ko] | 51 |
| 2nd Song | Good Friend Santa Claus | Yoonhan | I Want to Fall in Love (사랑에 빠지고 싶다) | Kim Jo-han | – |
| Pair 4 | Know Thyself Socrates | Lee Chun-soo | With You (그대와 함께) | The Blue | 19 |
| Pair 4 | Follow Me Admiral Kim | Lee Ji-hoon | With You (그대와 함께) | The Blue | 80 |
| 2nd Song | Know Thyself Socrates | Lee Chun-soo | You in My Arms (그대 내 품에) | Yoo Jae-ha | – |

#### Episode 38

Episode 38 was broadcast on December 20, 2015.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | The Goddess of Beauty Aphrodite Playing a Harp | Lee Soo-young | Dear Love (사랑아) | The One | 41 |
| Pair 1 | Dad Bought Bungeoppang | G.O of MBLAQ | Ode to Gwanghwamun (광화문 연가) | Lee Moon-sae | 58 |
| Pair 2 | Glamor Girl Rudolph | Jo Jung-min | Please Don't Leave Me (날 떠나지 마) | Park Jin-young | 38 |
| Pair 2 | Follow Me Admiral Kim | Lee Ji-hoon | Sorry (미안해요) | Kim Gun-mo | 61 |
| Round 3 ||||||
| Finalists | Dad Bought Bungeoppang | G.O of MBLAQ | For You (너를 위해) | Yim Jae-beom | 19 |
| Finalists | Follow Me Admiral Kim | Lee Ji-hoon | Forbidden Love (금지된 사랑) | Kim Kyung-ho | 80 |
| Final ||||||
| Battle | Follow Me Admiral Kim | Lee Ji-hoon | Previous three songs used as voting standard | Previous three songs used as voting standard | 34 |
| Battle | Amazon Cat-Girl | Cha Ji-yeon | Lady at the Cigarette Shop (담배 가게 아가씨) | Song Chang-sik | 65 |

### 20th Generation Mask King

* Contestants : Lim Jeong-hee, Jo Hye-ryun, Kim Nam-joo (Apink), Kihyun (Monsta X), Lee Pil-mo, Kim Tae-won [ko], Im Baek-cheon [ko], Jeon Woo-sung (Noel)
Episode 39 was broadcast on December 27, 2015. This marks the beginning of the Twentieth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Rolled Up Good Fortune | Lim Jeong-hee | Like That Smiling Face Letting Me Go (Don't Cry for Me) (미소를 띄우며 나를 보낸 그 모습처럼) | Lee Eun-ha [ko] | 95 |
| Pair 1 | Frozen Ice Princess | Jo Hye-ryun | Like That Smiling Face Letting Me Go (Don't Cry for Me) (미소를 띄우며 나를 보낸 그 모습처럼) | Lee Eun-ha [ko] | 4 |
| 2nd Song | Frozen Ice Princess | Jo Hye-ryun | Reminiscence (회상) | Sanulrim | – |
| Pair 2 | Good Daughter Singer Simcheong | Kim Nam-joo of Apink | Must Have Love | Brown Eyed Girls & SG Wannabe | 36 |
| Pair 2 | Tell Them I'm the Dragon King | Kihyun of Monsta X | Must Have Love | Brown Eyed Girls & SG Wannabe | 63 |
| 2nd Song | Good Daughter Singer Simcheong | Kim Nam-joo of Apink | When It Rains on Tuesdays (화요일에 비가 내리면) | Park Mi-kyung [ko] | – |
| Pair 3 | Blingbling! Happy New Year | Lee Pil-mo | This is the Moment (지금 이 순간) | Musical "Jekyll and Hyde" OST | 46 |
| Pair 3 | Adonis Snowman | Kim Tae-won | This is the Moment (지금 이 순간) | Musical "Jekyll and Hyde" OST | 53 |
| 2nd Song | Blingbling! Happy New Year | Lee Pil-mo | Pine Tree (소나무) | Bobby Kim | – |
| Pair 4 | For Whom the Favorable Bell Tolls | Im Baek-cheon | Let's Go Travel (여행을 떠나요) | Cho Yong-pil | 28 |
| Pair 4 | Invincible Bangpai-kite Shield | Jeon Woo-sung of Noel | Let's Go Travel (여행을 떠나요) | Cho Yong-pil | 71 |
| 2nd Song | For Whom the Favorable Bell Tolls | Im Baek-cheon | People Are More Beautiful Than Flowers (사람이 꽃보다 아름다워) | An Chi-hwan | – |